Trusted Electrical & Solar Contractor in Westminster, CA
Mario Castillo Electric is your go-to source for dependable electrical and solar solutions in the Westminster area. Whether you need a skilled residential electrician to handle home upgrades, a seasoned pro for commercial electrical services, or an expert in industrial electrics for large-scale systems, our team brings experience and precision to every project.
We provide everything from responsive electrical repair services to full industrial installations—always with safety, efficiency, and code compliance in mind. As a licensed electrician, we’re committed to offering flexible financing to help make professional electrical work accessible to all. Homeowners, businesses, and industrial sites across Westminster count on Mario Castillo Electric for service they can trust.
Top-Tier Electrical and Solar Services in Westminster, CA
Mario Castillo Electric delivers expert-level solar and electrical solutions across Westminster. As a fully licensed electrician in Westminster, we manage everything from simple home repairs to large-scale commercial and industrial electrical services. Whether it’s upgrading a breaker panel, enhancing your workspace with new lighting, or taking on a complex industrial electrics Westminster installation, our team is equipped to handle it all with professionalism and precision.
We take pride in delivering work that not only meets local building codes but also exceeds customer expectations—every time.
Certified & Trusted Installers of:
Residential
Ensure your home stays safe, efficient, and up to date with help from a trusted residential electrician in Westminster. We provide everything from service panel upgrades and full rewiring to lighting installations and EV charger setups. Our licensed electricians deliver dependable workmanship and tailored solutions that meet the unique needs of your home.
Solar
Lower your energy bills and increase efficiency with professional solar solutions. Our team installs everything from rooftop solar panels to backup battery systems, helping homeowners and businesses transition to clean energy. With our licensed electricians overseeing each project, you can count on reliable, long-lasting solar installations designed for maximum performance.
Commercial
Keep your business powered and running smoothly with expert support from a trusted commercial electrician. We handle lighting upgrades, panel installations, code compliance, and more. Our commercial electrical services in Westminster are designed to minimize downtime and enhance safety, so you can stay focused on what matters—your business.
Industrial Electrical Services
When your facility demands heavy-duty electrical expertise, trust Mario Castillo Electric for reliable industrial electrics in Westminster. From machinery wiring and equipment upgrades to ongoing system maintenance. We specialize in code-compliant solutions built to withstand the demands of industrial environments.
Why Choose Mario Castillo Electric in Westminster, CA?
Looking for experienced electricians who genuinely care about your needs? Give Mario Castillo Electric a call today for trusted electrical and solar solutions in Westminster!
Local Expertise You Can Trust
With extensive experience serving Westminster, we understand the electrical needs of local homes, businesses, and industrial facilities. Our electricians are well-versed in area codes, safety standards, and energy requirements.
Custom Electrical & Solar Solutions
No one-size-fits-all fixes here. Whether you need a quick repair, a complete system upgrade, or a new installation, we tailor each project to fit your space, goals, and budget.
Easy Scheduling & Reliable Service
Looking for a residential electrician or commercial electrical services in Westminster? Our scheduling is simple, and our team always shows up on time, ready to work with efficiency and respect.
Quality That Lasts
From residential upgrades to large-scale industrial electrics, we use durable materials and skilled craftsmanship to deliver lasting results.
A Commitment to Our Customers
At Mario Castillo Electric, we treat every client like a neighbor. Expect clear communication, courteous service, and dependable results from start to finish.
Call Westminster's Electrical & Solar Experts
Protect your home, business, or facility with expert service from Mario Castillo Electric, your go-to electrician in Harbor City. From electrical repair services in Westminster homes to large-scale commercial and industrial projects, we bring dependable workmanship, fast response times, and licensed expertise to every job.
Whether you're installing new lighting, upgrading your electrical panel, or integrating solar power, our team ensures safe, code-compliant, and energy-efficient results. Need help now? Contact us today to schedule a consultation and experience the difference of working with a local electrical contractor who truly cares.
Contact Us Today
We strive to be in contact communication with our customers until the job is done. We look forward to helping you!
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South Bay and Orange County Communities We Serve
LA County / Southbay Cities:
Carson, Cerritos, Compton, Downey, Gardena, Harbor City, Hawaiian Gardens, Lakewood, Lomita, Long Beach, Norwalk, San Pedro, Signal Hill, Palos Verdes Peninsula, Torrance, Wilmington, Lynwood, Lawndale, La Mirada, Paramount, Artesia, Hawthorne, Willowbrook
Orange County Communities:
Rossmoor, Alamitos, Cypress, Seal Beach, Irvine, Buena Park, La Palma, Fullerton, Anaheim, Westminister, Stanton, Midway City, Orange, Garden Grove, Fountain Valley, Costa Mesa, Santa Ana, Newport Beach, Tustin/North Tustin, Huntington Beach, Villa Park, Placentia, Yorba Linda